نتایج جستجو برای: tamarix

تعداد نتایج: 552  

Journal: :Remote Sensing 2009
Paul H. Evangelista Thomas J. Stohlgren Jeffrey T. Morisette Sunil Kumar

In this study, we tested the Maximum Entropy model (Maxent) for its application and performance in remotely sensing invasive Tamarix sp. Six Landsat 7 ETM+ satellite scenes and a suite of vegetation indices at different times of the growing season were selected for our study area along the Arkansas River in Colorado. Satellite scenes were selected for April, May, June, August, September, and Oc...

2008
Jonathan M Friedman James E Roelle John F Gaskin Alan E Pepper James R Manhart

To investigate the evolution of clinal variation in an invasive plant, we compared cold hardiness in the introduced saltcedar (Tamarix ramosissima, Tamarix chinensis, and hybrids) and the native plains cottonwood (Populus deltoides subsp. monilifera). In a shadehouse in Colorado (41°N), we grew plants collected along a latitudinal gradient in the central United States (29-48°N). On 17 occasions...

2014
Su Chen Shuang Bai Guifeng Liu Huiyu Li Jing Jiang

In our previous research, the Tamarix androssowii LEA gene (Tamarix androssowii late embryogenesis abundant protein Mrna, GenBank ID: DQ663481) was transferred into Populus simonii × Populus nigra. Among the eleven transgenic lines, one exhibited a dwarf phenotype compared to the wild type and other transgenic lines, named dwf1. To uncover the mechanisms underlying this phenotype, digital gene ...

2007
DANIEL W. BEAN TOM L. DUDLEY JULIE C. KELLER

The leaf beetle Diorhabda elongata Brullé subspecies deserticola Chen, collected in northwestern China, has been released in the western United States to control tamarisk (Tamarix spp.). While beetle establishment and saltcedar defoliation have been noted at northern study sites, this species has not established at latitudes south of the 38th parallel. Critical daylength for diapause induction ...

2008
V. J. Tepedino Brosi A. Bradley Terry L. Griswold

3 Corresponding author: [email protected] ABSTRACT: We compared the native bees visiting the flowers of three species of invasive plants, saltcedar (Tamarix spp.) and white and yellow sweet clover (Melilotus albus, M. officinalis), with those visiting seven concurrently blooming native plant species in mid-summer at three sites in Capitol Reef National Park, Utah. Overall, as many total s...

Journal: :جنگل و فرآورده های چوب 0
محمد امامی نسب دانشجوی کارشناسی ارشد بیولوژی و آناتومی چوب، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران رضا اولادی استادیار گروه علوم و صنایع چوب و کاغذ، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران

to understand the compatibility of xylem with dry climates, wood anatomy similarities anddifferences of four shrubs were investigated in dry and cold region of sarab (azarbaijan sharghiprovince). these shrubs were: pteropyrum olivieri, rosa canina, tamarix gallica, and rhamnuspallasii, while the wood anatomy of pteropyrum sp. is reported for the first time, in this research.after preparing micr...

2010
ARTEMIOS M. BOSABALIDIS

Salt glands of Tamarix aphylla consist of three pairs of secretory cells arranged one upon the other. At the stage of secretion, the upper and middle pair of secretory cells develop in their walls an internal system of anastomosed rods, the protuberances. In the formation of the wall protuberances, Golgi vesicles and microtubules appear to participate. The stage of salt secretion is also charac...

2014
Shuang Li Hong-lang Xiao Liang Zhao Mao-Xian Zhou Fang Wang

Many species have been found to be capable of foliar water uptake, but little research has focused on this in desert plants. Tamarix ramosissima was investigated to determine whether its leaves can directly absorb water from high humidity atmosphere and, if they can, to understand the magnitude and importance of foliar water uptake. Various techniques were adopted to demonstrate foliar water up...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید